6. To complete the project, the bidding work, to help customers make the tender document, make project tender, according to the required standard;

7. Assist sales to determine phase of the operation of the project to understand the real project status, forecast project risk and seek the solution;

8. To coordinate resources, provide technical support;

9. Integrators to maintain good relationship with a third party, in engineering can recommend each other, mutual benefit and win-win progress;

10. Cooperate with the Marketing, for Dahua, propaganda Dahua technology and concept to the customer, the spirit Dahua products, help customers to understand Dahua market better, at the same time get more feedback from the market.